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National Stock Number:
5331-01-271-8404
Federal Supply Class:
5331
National Item Identification Number:
012718404
Description:
O-RING
Detail:
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION.
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Manufacturer Information:
| 5008267 | 0B9R9 | MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION | | 5008267 | 25500 | LOCKHEED MARTIN CORPORATION | | M25988/2-225 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-DTL-25988/2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-R-25988/2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | HARDNESS RATING | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988/2,TY 1,CL 3,GRADE 75 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ | | PROPRIETARY CHARACTERISTICS | PACS | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 3 CLASS AND 75 GRADE | | OUTSIDE DIAMETER | 2.137 INCHES NOMINAL | | TEMP RATING | 450.0 DEG FAHRENHEIT | | ELONGATION PERCENTAGE | 125 MAXIMUM | | CENTER HOLE DIAMETER | 1.841 INCHES MINIMUM AND 1.877 INCHES MAXIMUM |
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